expense/app/Exports/PendingDocumentExport.php

<?php

namespace App\Exports;

use Maatwebsite\Excel\Concerns\FromCollection;
use Maatwebsite\Excel\Concerns\WithHeadings;
use Maatwebsite\Excel\Concerns\WithMapping;
use Maatwebsite\Excel\Concerns\ShouldAutoSize;

class PendingDocumentExport implements FromCollection, WithHeadings, WithMapping, ShouldAutoSize
{
    protected $cabangs;

    public function __construct($cabangs)
    {
        $this->cabangs = $cabangs;
    }

    public function collection()
    {
        return $this->cabangs;
    }

    public function headings(): array
    {
        return [
            'Region',
            'Nama Cabang',
            'Up Country',
            'Vehicle',
            'Entertainment',
            'Meeting',
            'Others',
            'Total Pending',
            'Budget Aktif'
        ];
    }

    public function map($cabang): array
    {
        return [
            $cabang->region->name ?? '-',
            $cabang->name,
            $cabang->pending_details['up_country'] ?? 0,
            $cabang->pending_details['vehicle'] ?? 0,
            $cabang->pending_details['entertainment'] ?? 0,
            $cabang->pending_details['meeting'] ?? 0,
            $cabang->pending_details['others'] ?? 0,
            $cabang->total_pending,
            $cabang->available_budget
        ];
    }
}